A Technician by Day, 'Jack Massacre' Stands
Tall in the Ring; 'The Death Certificate'

PITTSBURGH—As an analyst at H.J. Heinz Co., Lou Zygmuncik spends his days thinking about ketchup sales. But about once a month, he transforms himself into the trash-talking bruiser Dr. Devastation.

Mr. Zygmuncik, 38 years old, is one of two dozen wrestlers in the Keystone State Wrestling Alliance, a bottom-rung pro-wrestling troupe. It sets up its ring at the Teamster Temple, a union hall, and draws about 300 fans to its shows,...